@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,700;0,900;1,400;1,700&family=Lora:ital,wght@0,400;0,500;1,400&family=DM+Mono:wght@300;400&display=swap');
@import url('https://cdn.jsdelivr.net/npm/bootstrap@5.3.3/dist/css/bootstrap.min.css');

/* ─────────────────────────────────────────────
   BASE  (shared with article page)
   ───────────────────────────────────────────── */
:root {
    --ink:        #1a1612;
    --paper:      #f5f0e8;
    --paper-dark: #ede8db;
    --sepia:      #c8a97e;
    --rust:       #b85c38;
    --sage:       #5a7a5e;
    --slate:      #3d5a6b;
    --muted:      #7a7268;
    --rule:       #cfc9ba;

    /* homepage-only topic aliases */
    --topic-philosophy: var(--slate);
    --topic-science:    var(--sage);
    --topic-scifi:      var(--rust);
    --topic-history:    #7a5e3a;
    --topic-default:    var(--muted);
}

*, *::before, *::after { box-sizing: border-box; }

body {
    background-color: var(--paper);
    color: var(--ink);
    font-family: 'Lora', Georgia, serif;
    font-size: 1.0625rem;
    line-height: 1.75;
    min-height: 100vh;
}

body::before {
    content: '';
    position: fixed;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='300' height='300'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.75' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='300' height='300' filter='url(%23n)' opacity='0.035'/%3E%3C/svg%3E");
    pointer-events: none;
    z-index: 1000;
}

footer {
    border-top: 1px solid var(--rule);
    padding: 2rem 0;
    margin-top: 3rem;
    text-align: center;
}
footer p {
    font-family: 'DM Mono', monospace;
    font-size: 0.62rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    color: var(--muted);
    margin: 0;
}

/* ─────────────────────────────────────────────
   HOMEPAGE-SPECIFIC STYLES
   ───────────────────────────────────────────── */

/* ── Masthead ── */
.masthead {
    border-bottom: 1px solid var(--rule);
    padding: 2.5rem 0 1.5rem;
    text-align: center;
    position: relative;
}
.masthead::after {
    content: '';
    display: block;
    width: 3rem;
    height: 2px;
    background: var(--sepia);
    margin: 1.25rem auto 0;
}
.masthead-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: clamp(2.8rem, 7vw, 5.5rem);
    font-weight: 900;
    letter-spacing: -0.02em;
    line-height: 1;
    color: var(--ink);
    margin: 0;
}
.masthead-title em {
    font-style: italic;
    color: var(--rust);
}
.masthead-tagline {
    font-family: 'DM Mono', monospace;
    font-size: 0.72rem;
    font-weight: 300;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--muted);
    margin-top: 0.75rem;
}

/* ── Issue date strip ── */
.issue-bar {
    background: var(--ink);
    color: var(--paper);
    padding: 0.4rem 0;
    text-align: center;
    font-family: 'DM Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
}

/* ── Topic filter ── */
.filter-row {
    border-bottom: 1px solid var(--rule);
    padding: 1rem 0;
}
.filter-label {
    font-family: 'DM Mono', monospace;
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
    margin-right: 1rem;
}
.topic-pill {
    display: inline-block;
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    padding: 0.28rem 0.85rem;
    border: 1px solid var(--rule);
    border-radius: 2px;
    color: var(--muted);
    background: transparent;
    cursor: pointer;
    transition: all 0.2s;
    margin: 0.2rem 0.25rem 0.2rem 0;
    text-decoration: none;
}
.topic-pill:hover,
.topic-pill.active {
    color: var(--paper);
    background: var(--ink);
    border-color: var(--ink);
}
.topic-pill[data-topic="Philosophy"].active  { background: var(--slate); border-color: var(--slate); }
.topic-pill[data-topic="Science"].active      { background: var(--sage);  border-color: var(--sage);  }
.topic-pill[data-topic="Science Fiction"].active { background: var(--rust); border-color: var(--rust); }

/* ── Featured article ── */
.featured-block {
    border-bottom: 1px solid var(--rule);
    padding: 3rem 0 2.5rem;
}
.featured-eyebrow {
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--rust);
    margin-bottom: 1rem;
}
.featured-img-wrap {
    position: relative;
    overflow: hidden;
    background: var(--paper-dark);
}
.featured-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: sepia(20%) contrast(1.05);
    transition: transform 0.6s ease;
}
.featured-img-wrap:hover img { transform: scale(1.02); }
.featured-img-wrap .img-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--paper-dark) 0%, var(--rule) 100%);
    color: var(--muted);
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.15em;
    text-transform: uppercase;
}
.featured-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    font-weight: 700;
    line-height: 1.2;
    margin: 1.5rem 0 0.5rem;
    color: var(--ink);
}
.featured-title a { color: inherit; text-decoration: none; }
.featured-title a:hover { color: var(--rust); }
.featured-subtitle {
    font-style: italic;
    color: var(--muted);
    margin-bottom: 1rem;
    font-size: 1.05rem;
}

/* ── Article card ── */
.article-card {
    border-top: 1px solid var(--rule);
    padding: 1.75rem 0;
    display: grid;
    grid-template-columns: 1fr 140px;
    gap: 1.5rem;
    align-items: start;
    text-decoration: none;
    color: inherit;
    transition: opacity 0.2s;
}
.article-card:hover { opacity: 0.75; }
.article-card:last-child { border-bottom: 1px solid var(--rule); }
.card-topic {
    font-family: 'DM Mono', monospace;
    font-size: 0.62rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}
.card-topic.philosophy { color: var(--slate); }
.card-topic.science    { color: var(--sage);  }
.card-topic.scifi      { color: var(--rust);  }
.card-topic.history    { color: #7a5e3a;       }
.card-title {
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 1.3rem;
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 0.4rem;
    color: var(--ink);
}
.card-excerpt {
    font-size: 0.9rem;
    color: var(--muted);
    line-height: 1.6;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.card-meta {
    font-family: 'DM Mono', monospace;
    font-size: 0.6rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-top: 0.75rem;
}
.card-img {
    aspect-ratio: 1/1;
    overflow: hidden;
    background: var(--paper-dark);
    flex-shrink: 0;
}
.card-img img {
    width: 100%; height: 100%;
    object-fit: cover;
    filter: sepia(15%);
}
.card-img .img-placeholder {
    width: 100%; height: 100%;
    display: flex; align-items: center; justify-content: center;
    background: linear-gradient(135deg, var(--paper-dark) 0%, var(--rule) 100%);
}

/* ── Sidebar ── */
.sidebar-section {
    border-left: 2px solid var(--rule);
    padding-left: 1.5rem;
    margin-bottom: 2.5rem;
}
.sidebar-heading {
    font-family: 'DM Mono', monospace;
    font-size: 0.65rem;
    letter-spacing: 0.22em;
    text-transform: uppercase;
    color: var(--muted);
    border-bottom: 1px solid var(--rule);
    padding-bottom: 0.5rem;
    margin-bottom: 1rem;
}
.sidebar-link {
    display: block;
    font-family: 'Playfair Display', Georgia, serif;
    font-size: 0.95rem;
    color: var(--ink);
    text-decoration: none;
    padding: 0.5rem 0;
    border-bottom: 1px solid var(--rule);
    line-height: 1.3;
}
.sidebar-link:hover { color: var(--rust); }
.sidebar-link small {
    display: block;
    font-family: 'DM Mono', monospace;
    font-size: 0.58rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
    margin-top: 0.2rem;
}
.about-text {
    font-size: 0.88rem;
    color: var(--muted);
    line-height: 1.7;
}
.about-text strong { color: var(--ink); }

/* ── Utilities ── */
.read-time {
    font-family: 'DM Mono', monospace;
    font-size: 0.62rem;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--muted);
}
.topic-badge {
    display: inline-block;
    font-family: 'DM Mono', monospace;
    font-size: 0.6rem;
    letter-spacing: 0.14em;
    text-transform: uppercase;
    padding: 0.15rem 0.55rem;
    border: 1px solid currentColor;
    border-radius: 1px;
}
.topic-badge.philosophy { color: var(--slate); }
.topic-badge.science    { color: var(--sage);  }
.topic-badge.scifi      { color: var(--rust);  }

.no-results {
    display: none;
    padding: 3rem 0;
    text-align: center;
    font-family: 'DM Mono', monospace;
    font-size: 0.75rem;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--muted);
}

@media (max-width: 576px) {
    .article-card { grid-template-columns: 1fr; }
    .card-img { display: none; }
}